level 9
abc949934073
楼主
Paper paper;
//element:Student List students=new ArrayList();
public void print(){
Collections.sort(students);
int i=1;
Iterator it=students.iterator();
while(it.hasNext()){
Student s=(Student)(it.next());//为什么要强转
System.out.println(i+":\t"+s); i++; } }
2013年08月18日 02点08分
1
//element:Student List students=new ArrayList();
public void print(){
Collections.sort(students);
int i=1;
Iterator it=students.iterator();
while(it.hasNext()){
Student s=(Student)(it.next());//为什么要强转
System.out.println(i+":\t"+s); i++; } }
